Packaging and documentation tweaks for inclusion in the Grafana plugin registry (#29)

* plugin.json: add grafanaDependency

* README: update variables link and mention date formats added in Grafana 7.1.2

* add screenshots to README and plugin.json

Author: retzkek

README.md

@@ -14,12 +14,19 @@ format that can be parsed by `moment()` (e.g. ISO8601).
 * Nested types will be flattened into dot-delimited fields. 
 * Grafana variables should be substituted directly in the query (instead of
 using GraphQL variables). The dashboard time ranges are available in the 
-[global variables](https://grafana.com/docs/grafana/latest/variables/global-variables/) 
-`$__from` and `$__to` as millisecond epoch.
+[global variables](https://grafana.com/docs/grafana/latest/variables/variable-types/global-variables/)
+`$__from` and `$__to` as millisecond epoch (or in whatever format is needed by the API
+in Grafana 7.1.2 or later).
 * Group by can be used to group elements into multiple data points.
 * Alias by is used to alter the name of the field displayed in the legend. `$field_<field.name>` is substituted with the
 values of the field and `$fieldName` is substituted with the name of the field.
 
+# Screenshots
+
+![DeutscheBahn Arrivals Table](https://user-images.githubusercontent.com/1627510/90258294-f1bf2b00-de0d-11ea-8768-34b4ef37c125.png)
+![DeutscheBahn Arrivals Annotations](https://user-images.githubusercontent.com/1627510/90258316-f8e63900-de0d-11ea-91eb-d40532d5b768.png)
+![GitHub Security Advisories](https://user-images.githubusercontent.com/1627510/90258319-fbe12980-de0d-11ea-8ea2-c97bbc398aa4.png)
+
 # Examples
 
 Below are some example queries demonstrating how to use the plugin. See the

dist/README.md

@@ -14,12 +14,19 @@ format that can be parsed by `moment()` (e.g. ISO8601).
 * Nested types will be flattened into dot-delimited fields. 
 * Grafana variables should be substituted directly in the query (instead of
 using GraphQL variables). The dashboard time ranges are available in the 
-[global variables](https://grafana.com/docs/grafana/latest/variables/global-variables/) 
-`$__from` and `$__to` as millisecond epoch.
+[global variables](https://grafana.com/docs/grafana/latest/variables/variable-types/global-variables/)
+`$__from` and `$__to` as millisecond epoch (or in whatever format is needed by the API
+in Grafana 7.1.2 or later).
 * Group by can be used to group elements into multiple data points.
 * Alias by is used to alter the name of the field displayed in the legend. `$field_<field.name>` is substituted with the
 values of the field and `$fieldName` is substituted with the name of the field.
 
+# Screenshots
+
+![DeutscheBahn Arrivals Table](https://user-images.githubusercontent.com/1627510/90258294-f1bf2b00-de0d-11ea-8768-34b4ef37c125.png)
+![DeutscheBahn Arrivals Annotations](https://user-images.githubusercontent.com/1627510/90258316-f8e63900-de0d-11ea-91eb-d40532d5b768.png)
+![GitHub Security Advisories](https://user-images.githubusercontent.com/1627510/90258319-fbe12980-de0d-11ea-8ea2-c97bbc398aa4.png)
+
 # Examples
 
 Below are some example queries demonstrating how to use the plugin. See the

dist/img/db_arrivals.png

@@ -19,13 +19,18 @@
       { "name": "Website", "url": "https://github.com/fifemon/graphql-datasource" },
       { "name": "License", "url": "https://github.com/fifemon/graphql-datasource/blob/master/LICENSE" }
     ],
-    "screenshots": [],
+    "screenshots": [
+      { "name": "DeutscheBahn Arrivals", "path": "img/db_arrivals.png"},
+      { "name": "DeutscheBahn Arrivals Annotations", "path": "img/db_arrivals_annotations.png"},
+      { "name": "GitHub Security Advisories", "path": "img/github_security_advisories.png"}
+    ],
     "version": "1.1.2",
-    "updated": "2020-07-01"
+    "updated": "2020-08-14"
   },
 
   "dependencies": {
     "grafanaVersion": "7.x.x",
+    "grafanaDependency": ">=7.0.0",
     "plugins": []
   }
 }